Packet #3290500 Success

NODEINFO_APP packet from DRP1 Chelsea (DRP1) to Meshtastic 631c (GRBH)

9
Total Receptions
9
Unique Gateways
1
Hop Count
77
Payload Bytes
Packet Information
Database ID: 3290500
Mesh Packet ID: 0x257a075d
Used for correlation across gateways
Timestamp: 2025-12-09 02:52:11 UTC
From Node: DRP1 Chelsea (DRP1)
To Node: Meshtastic 631c (GRBH)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: 25 Washington Ave (25WA)
Channel: MediumSlow
RSSI: -71 dBm
SNR: -7.0 dBm
Hop Info: 1/7 hops
Start: 7, Limit: 6
Relay Node: c9 Penn
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NODEINFO_APP
Size: 77 bytes
Decoded: Yes
Decoded Data:
Long Name:DRP1 Chelsea
Short Name:DRP1
Node ID:!ba66323c
MAC Address:ECC6ZjI8
Hardware:HELTEC_V3
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:77 bytes
Gateway:!425c9225
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:1 / 7
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (1 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !425c9225
Node ID format
channel_id MediumSlow
packet MeshPacket (77 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3127259708
Source node ID 		uint32
to 3679544092
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 77 bytes size
hop_limit 6
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi -71.0 dBm
Signal strength at gateway 		int32
rx_snr -7.00 dB
Signal quality at gateway 		float
rx_time 1765248857
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority Not set enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 201
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765248731.4290729
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Custom channel: MediumSlow
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !425c9225
Signal Metrics: RSSI: -71.0 dBm
SNR: -7.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:77 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!ba66323c", "long_name": "DRP1 Chelsea", "short_name": "DRP1", "macaddr": "ECC6ZjI8", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!425c9225", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3127259708, "to": 3679544092, "id": 628754269, "rx_time": 1765248857, "rx_snr": -7.0, "rx_rssi": -71, "hop_limit": 6, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 201, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216261363633323363120c44525031204368656c7365611a044452503122061020ba66323c282b42203d661dfd35f993d5f359630b1a4b989b69b20bc27f8a3cdab3a38bc0e678750c4801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!ba66323c", "long_name": "DRP1 Chelsea", "short_name": "DRP1", "macaddr": "ECC6ZjI8", "hw_model": "HELTEC_V3", "public_key": "PWYd/TX5k9XzWWMLGkuYm2myC8J/ijzas6OLwOZ4dQw=", "is_unmessagable": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (77 bytes)
0a09216261363633323363120c44525031204368656c7365611a044452503122061020ba66323c282b42203d661dfd35f993d5f359630b1a4b989b69b20bc27f8a3cdab3a38bc0e678750c4801
Hex Analysis:
Size:77 bytes
Format:Protobuf (Protocol Buffers)
Encoding:Binary with varint and length-delimited fields
This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.
All Receptions
All gateways that received this packet
Correlation: Using Mesh Packet ID
Reception Locations

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
25 Washington Ave (25WA) Primary 0.000s
Reference 		-71.0 dBm -7.00 dB 1 c9 Penn MediumSlow 2025-12-09 02:52:11 UTC Current
DRP1 Chelsea (DRP1) -8.631s
Before 		Unknown Unknown 0 3c DRP1 MediumSlow 2025-12-09 02:52:02 UTC View
CmWx MF Test (CmW2) +0.009s
After 		-72.0 dBm -1.75 dB 1 c9 Penn MediumSlow 2025-12-09 02:52:11 UTC View
MeshM0xie (M0x) +0.017s
After 		-101.0 dBm -17.00 dB 1 c9 Penn MediumSlow 2025-12-09 02:52:11 UTC View
drp mobile (drpm) +3.552s
After 		-117.0 dBm -7.50 dB 1 a0 CmW2 MediumSlow 2025-12-09 02:52:14 UTC View
K2XAP R1int MF (XAPM) +3.620s
After 		-79.0 dBm 8.00 dB 1 a0 XAPB , CmW2 MediumSlow 2025-12-09 02:52:15 UTC View
P0NY Express Solar Node (P0NY) +3.860s
After 		-90.0 dBm 5.25 dB 1 a0 CmW2 MediumSlow 2025-12-09 02:52:15 UTC View
_pft@mf (_pft) +3.917s
After 		-115.0 dBm -5.75 dB 1 a0 CmW2 MediumSlow 2025-12-09 02:52:15 UTC View
JLO - R1 Neo (JR1N) +8.211s
After 		-123.0 dBm -13.25 dB 2 ca JLX4 MediumSlow 2025-12-09 02:52:19 UTC View
9

Total Receptions

9

Unique Gateways